1. 2/7 multiply to 5/7 is equal to?
a. 10/7
b.-10/49
c. 10/49
d. 7/10
2. -1/4 multiply to -8/9 is equal to?
a. 9/23
b.-8/36
c. 8/36
d. -9/13
3. -5/9 multiply to 7/9 is equal to?
a. 35/9
b. 31/81
c. -35/81
d. -35/9
4. What is -1/4 divided by -1/4?
a. 1/4
b.4/1
c. 1
d. -1
5. What is the 1st step on dividing rational number?
a. find the reciprocal of the divisor
b. find the LCD
c. multiply first the numerator
d. multiply the denominator
6. What is -3/4 divided by 1/4?
a. 12/5
b.-3/8
c. -3
d. -3/16
7. What is -1/4 divided by -1/5?
a. -1/20
b. -5/4
c. 5/4
d. 1/20
7. What is Principal root?
a. the non-negative square root of a number
b. The root of a number
c. The nagative square root of a number
d. Perpect square
8. how many root/s does a number have ?
a. Two
b. One
c. Three
d. Four
9. what is the principal root of (check)25
a. 5
b. -5
c. 5 & -5
d. 12.5
10. where can you find the principal root of (check)25 in the number line?
a. the integer between 4 and 6
b. the integer between 8 and 6
c. the integer between 3 and 5
d. the integer between -4 and -6 ​